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144620
2018 Mar 27
0
RFC: XRay Profiling in LLVM
FYI: Patch is now available for review in https://reviews.llvm.org/D44620.
On Thu, Feb 15, 2018 at 1:34 PM Dean Michael Berris <dean.berris at gmail.com>
wrote:
> # Objective
>
> Implement an XRay mode 'xray-profiling' that gathers stack trace
> latencies/durations and builds histograms to provide basic statistics about
> where time is goi...
2018 Feb 15
2
RFC: XRay Profiling in LLVM
# Objective
Implement an XRay mode 'xray-profiling' that gathers stack trace
latencies/durations and builds histograms to provide basic statistics about
where time is going in an execution of the application.
# Background
XRay has two modes currently implemented in compiler-rt: a basic (nee
naive) mode and flight data recorder (FDR) mode.
Basic mode logging, when enabled, will collect